Reality TV star Kristin Cavallari will never vaccinate her one-year-old son Camden because she's worried that vaccines cause autism.

"I've read too many books about autism," Cavallari, 27, told the HuffingtonPost. "There is a pediatric group called Home First. They've never vaccinated any of their children and they've never had one case of autism. And now, one in 88 boys is autistic, which is a really scary statistic."

Kristin, who's pregnant with her second child, is concerned that the chemicals in the vaccines our children get are responsible for the escalating rates of autism.

Autism wasn’t prevalent — like it is now — years ago, so something is going on, whether it’s the chemicals in our food or the vaccines. Something is happening, and we can’t really ignore that. I choose to believe that I think it’s in the vaccines but, again, to each their own and that’s where I stand on it.”

McCarthy has stirred controversy over the years after saying Evan's autism was caused by the MMR (measles, mumps and rubella) vaccine he received as a baby. In 2007, Jenny was heavily criticized after launching an anti-vaccine movement.

"We need to get rid of the toxins, the mercury — which I am so tired of everyone saying has been removed," McCarthy told Larry King in a 2008 interview. "It has not been removed from the shots."

Jenny, a vegan, has also been slammed after remarking that she had cured her son's autism by eliminating gluten from his diet. McCarthy detailed her attempts to cure Evan's autism in her book Louder Than Words.

Autism is a developmental disability characterized by difficulty with communication and social interaction. There is no known cause or cure for autism. Autism now affects one in 68 children.

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Samantha Chang is the executive editor and co-owner of www.theimproper.com., an arts and entertainment website in New York City. A graduate of the University of Pennsylvania, Samantha enjoys running, cycling and taking photos. Contact her at schang@theImproper.com.